Dentist using a probe to assess the degree of periodontal disease...Editorial Office of West China School of Stomatology, Sichuan University
Schematic representation of the microscopic structure of superionic water, in which the oxygen atoms form a solid crysta...University of Rostock
Carbonate samples from the so-called Republican Baths in Pompeii...Johannes Gutenberg Universitaet Mainz
Pools of the oldest public bathing facilities in Pompeii, dating back to 130 BC...Johannes Gutenberg Universitaet Mainz
